std::ios_base::xalloc

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C++ Standard Library
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Input/output library
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std::ios_base
Member functions ios_base::ios_base ios_base::~ios_base Formatting ios_base::flags ios_base::setf ios_base::unsetf ios_base::precision ios_base::width Locales ios_base::imbue ios_base::getloc Internal extensible array ios_base::xalloc ios_base::iword ios_base::pword Miscellaneous ios_base::register_callback ios_base::sync_with_stdio Member classes ios_base::failure ios_base::Init Member types ios_base::openmode ios_base::fmtflags ios_base::iostate ios_base::seekdir ios_base::event ios_base::event_callback

​static int xalloc();​

Returns an unique index value that can be used to access elements in the two internal extensible arrays that each ios_base object has. One array holds elements of type ​long​ and can be accessed by iword(), another array holds elements of type ​void*​ and can be accessed by pword().

Contents 1 Parameters 2 Return value 3 Example 4 See also

Parameters

(none)

Return value

index of the newly reserved element.

Example

This section is incomplete

See also

pword	accesses specified element in the internal extensible array of ​void*​ elements (public member function)
iword	accesses specified element in the internal extensible array of ​long​ elements (public member function)